Analysis
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max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
19-12-2023 12:49
Static task
static1
Behavioral task
behavioral1
Sample
28911267f7db0fbdec9a4efae56e4f35.exe
Resource
win7-20231201-en
Behavioral task
behavioral2
Sample
28911267f7db0fbdec9a4efae56e4f35.exe
Resource
win10v2004-20231215-en
General
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Target
28911267f7db0fbdec9a4efae56e4f35.exe
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Size
248KB
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MD5
28911267f7db0fbdec9a4efae56e4f35
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SHA1
39ad01109f81e0177c8b88132e677dade0f998e1
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SHA256
5d9e9eec843781fcd39a0dfe23f9b9b6468cbf23ca327e1acedf8567b612cd38
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SHA512
7eb8916eb81b4866f73bb78f1f5651cd483fa46017f7f86e993d9fb882732c2f8e2878fe2c68ce3a75e364cf181f2da23f3904dfe9a58e08713d81731927844a
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SSDEEP
6144:V7AFPOns551dxzAUdYKHWqLHWm00RLqp0axj3N:Vaj51ddxdq6NM2axTN
Malware Config
Extracted
oski
scarsa.ac.ug
Signatures
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Oski
Oski is an infostealer targeting browser data, crypto wallets.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
28911267f7db0fbdec9a4efae56e4f35.exedescription pid process target process PID 4884 set thread context of 3112 4884 28911267f7db0fbdec9a4efae56e4f35.exe 28911267f7db0fbdec9a4efae56e4f35.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3812 3112 WerFault.exe 28911267f7db0fbdec9a4efae56e4f35.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
28911267f7db0fbdec9a4efae56e4f35.exepid process 4884 28911267f7db0fbdec9a4efae56e4f35.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
28911267f7db0fbdec9a4efae56e4f35.exepid process 4884 28911267f7db0fbdec9a4efae56e4f35.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
28911267f7db0fbdec9a4efae56e4f35.exedescription pid process target process PID 4884 wrote to memory of 3112 4884 28911267f7db0fbdec9a4efae56e4f35.exe 28911267f7db0fbdec9a4efae56e4f35.exe PID 4884 wrote to memory of 3112 4884 28911267f7db0fbdec9a4efae56e4f35.exe 28911267f7db0fbdec9a4efae56e4f35.exe PID 4884 wrote to memory of 3112 4884 28911267f7db0fbdec9a4efae56e4f35.exe 28911267f7db0fbdec9a4efae56e4f35.exe PID 4884 wrote to memory of 3112 4884 28911267f7db0fbdec9a4efae56e4f35.exe 28911267f7db0fbdec9a4efae56e4f35.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\28911267f7db0fbdec9a4efae56e4f35.exe"C:\Users\Admin\AppData\Local\Temp\28911267f7db0fbdec9a4efae56e4f35.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4884 -
C:\Users\Admin\AppData\Local\Temp\28911267f7db0fbdec9a4efae56e4f35.exe"C:\Users\Admin\AppData\Local\Temp\28911267f7db0fbdec9a4efae56e4f35.exe"2⤵PID:3112
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3112 -s 13043⤵
- Program crash
PID:3812
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3112 -ip 31121⤵PID:2128